addiing longorn and loki

Grafana-Loki/README.md

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+# Install Grafana-Loki-Stack
+
+## Grafana
+
+helm repo add grafana https://grafana.github.io/helm-charts
+helm repo update
+
+helm install grafana grafana/grafana --namespace grafana --create-namespace
+
+
+### Notes
+1. Get your 'admin' user password by running:
+
+   kubectl get secret --namespace grafana grafana -o jsonpath="{.data.admin-password}" | base64 --decode ; echo
+
+
+2. The Grafana server can be accessed via port 80 on the following DNS name from within your cluster:
+
+   grafana.grafana.svc.cluster.local
+
+   Get the Grafana URL to visit by running these commands in the same shell:
+     export POD_NAME=$(kubectl get pods --namespace grafana -l "app.kubernetes.io/name=grafana,app.kubernetes.io/instance=grafana" -o jsonpath="{.items[0].metadata.name}")
+     kubectl --namespace grafana port-forward $POD_NAME 3000
+
+3. Login with the password from step 1 and the username: admin
+#################################################################################
+######   WARNING: Persistence is disabled!!! You will lose your data when   #####
+######            the Grafana pod is terminated.                            #####
+#################################################################################
+
+
+## Loki
+
+helm show values grafana/loki-distributed > loki-distributed-overrides.yaml
+helm upgrade --install --values loki-distributed-overrides.yaml loki grafana/loki-distributed -n grafana-loki --create-namespace
+
+### Notes
+
+***********************************************************************
+ Welcome to Grafana Loki
+ Chart version: 0.80.0
+ Loki version: 2.9.10
+***********************************************************************
+
+Installed components:
+* gateway
+* ingester
+* distributor
+* querier
+* query-frontend
+
+## Promtail
+
+helm show values grafana/promtail > promtail-overrides.yaml
+
+
+### Notes
+***********************************************************************
+ Welcome to Grafana Promtail
+ Chart version: 6.16.6
+ Promtail version: 3.0.0
+***********************************************************************
+
+Verify the application is working by running these commands:
+* kubectl --namespace grafana-loki port-forward daemonset/promtail 3101
+* curl http://127.0.0.1:3101/metrics
+
+
+## Grafana configuration
+
+kubectl port-forward service/grafana 8080:80 -n grafana
+
+
+
+
+
+# References
+
+https://akyriako.medium.com/kubernetes-logging-with-grafana-loki-promtail-in-under-10-minutes-d2847d526f9e